202111101982 has 8 divisors (see below), whose sum is σ = 308305071000. Its totient is φ = 99342744984.

The previous prime is 202111101953. The next prime is 202111102079. The reversal of 202111101982 is 289101111202.

202111101982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202111101982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856402857 + ... + 856403092.

It is an arithmetic number, because the mean of its divisors is an integer number (38538133875).

Almost surely, 2^202111101982 is an apocalyptic number.

202111101982 is a deficient number, since it is larger than the sum of its proper divisors (106193969018).

202111101982 is a wasteful number, since it uses less digits than its factorization.

202111101982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712806010.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 202111101982 in words is "two hundred two billion, one hundred eleven million, one hundred one thousand, nine hundred eighty-two".